To find out the status of your second-hand device, simply type in the phone's unique serial number, the international mobile equipment identity number.

Learn how to securely verify your identity using only your Android phone in 2025. Discover top apps, easy steps, and the best verification solutions available today.

Want to use your WhatsApp on a computer or another phone but are tired of scanning QR codes? WhatsApp now allows users to securely link devices that use their phone number for verification.

Have you received an unexpected notification on your Apple device saying that your Apple ID and phone number are now being used for iMessage and FaceTime on a new Mac, iPhone or iPad? If the ...